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notepad-plus-plus/scintilla/lexlib/DefaultLexer.cxx

126 lines
2.8 KiB

// Scintilla source code edit control
/** @file DefaultLexer.cxx
** A lexer base class that provides reasonable default behaviour.
**/
// Copyright 2017 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <cstdlib>
#include <cassert>
#include <cstring>
#include "ILexer.h"
#include "Scintilla.h"
#include "SciLexer.h"
#include "PropSetSimple.h"
#include "WordList.h"
#include "LexAccessor.h"
#include "Accessor.h"
#include "LexerModule.h"
#include "DefaultLexer.h"
using namespace Scintilla;
static const char styleSubable[] = { 0 };
DefaultLexer::DefaultLexer(const LexicalClass *lexClasses_, size_t nClasses_) :
lexClasses(lexClasses_), nClasses(nClasses_) {
}
DefaultLexer::~DefaultLexer() {
}
void SCI_METHOD DefaultLexer::Release() {
delete this;
}
int SCI_METHOD DefaultLexer::Version() const {
return lvRelease4;
}
const char * SCI_METHOD DefaultLexer::PropertyNames() {
return "";
}
int SCI_METHOD DefaultLexer::PropertyType(const char *) {
return SC_TYPE_BOOLEAN;
}
const char * SCI_METHOD DefaultLexer::DescribeProperty(const char *) {
return "";
}
Sci_Position SCI_METHOD DefaultLexer::PropertySet(const char *, const char *) {
return -1;
}
const char * SCI_METHOD DefaultLexer::DescribeWordListSets() {
return "";
}
Sci_Position SCI_METHOD DefaultLexer::WordListSet(int, const char *) {
return -1;
}
void SCI_METHOD DefaultLexer::Fold(Sci_PositionU, Sci_Position, int, IDocument *) {
}
void * SCI_METHOD DefaultLexer::PrivateCall(int, void *) {
return nullptr;
}
int SCI_METHOD DefaultLexer::LineEndTypesSupported() {
return SC_LINE_END_TYPE_DEFAULT;
}
int SCI_METHOD DefaultLexer::AllocateSubStyles(int, int) {
return -1;
}
int SCI_METHOD DefaultLexer::SubStylesStart(int) {
return -1;
}
int SCI_METHOD DefaultLexer::SubStylesLength(int) {
return 0;
}
int SCI_METHOD DefaultLexer::StyleFromSubStyle(int subStyle) {
return subStyle;
}
int SCI_METHOD DefaultLexer::PrimaryStyleFromStyle(int style) {
return style;
}
void SCI_METHOD DefaultLexer::FreeSubStyles() {
}
void SCI_METHOD DefaultLexer::SetIdentifiers(int, const char *) {
}
int SCI_METHOD DefaultLexer::DistanceToSecondaryStyles() {
return 0;
}
const char * SCI_METHOD DefaultLexer::GetSubStyleBases() {
return styleSubable;
}
int SCI_METHOD DefaultLexer::NamedStyles() {
return static_cast<int>(nClasses);
}
const char * SCI_METHOD DefaultLexer::NameOfStyle(int style) {
return (style < NamedStyles()) ? lexClasses[style].name : "";
}
const char * SCI_METHOD DefaultLexer::TagsOfStyle(int style) {
return (style < NamedStyles()) ? lexClasses[style].tags : "";
}
const char * SCI_METHOD DefaultLexer::DescriptionOfStyle(int style) {
return (style < NamedStyles()) ? lexClasses[style].description : "";
}